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Paternal Velocity

n.
The speed of sperm, semen or ejaculate as it comes out of the phallus or penis. This speed is usually 31 mph on average. Reaching terminal velocity is also known as cumming.

See also: Dad Speed
"Last night I finally reached paternal velocity, now she has a broken jaw."

"Dude I got a ticket last night for reaching Paternal Velocity in a residential"
by Obeythelaw7 May 30, 2016
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